本代码用来演示人工神经网路中的bp网络的运行机制-code used to demonstrate the artificial neural network bp of the network operating mechanism

BP神经网络，亲自在VS2010上编译通过，需要学习BP神经网络的小伙伴，可以试试。-BP neural network, the VS2010 personally compiled by BP neural network to learn a small partner, you can try.